4-amino-2-bromo-5-chlorobenzene-1-thiol CAS 1909309-30-3
| CAS No. | 1909309-30-3 |
| Molecular Formula | C6H5BrClNS |
| Molecular Weight | 238.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-amino-2-bromo-5-chlorobenzene-1-thiol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
4-amino-2-bromo-5-chlorobenzene-1-thiol (CAS 1909309-30-3) is a high-purity analytical reference standard with the molecular formula C6H5BrClNS and a molecular weight of 238.53 g/mol.
4-amino-2-bromo-5-chlorobenzene-1-thiol (C6H5BrClNS) contains a nitrile group, sulfur-containing functionality, chlorine/bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H5BrClNS |
| Molecular Weight | 238.53 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related amino Standards
- 6-Amino-3-bromo-2-chlorobenzenethiol (CAS 2818960-25-5)
- 1-(4-Amino-3,5-dichlorophenyl)-2-chloroethanone (CAS 62871-48-1)
- 3-Amino-2-chloro-5-(trifluoromethyl)benzamide (CAS 1104812-19-2)
- N-(4-amino-2-chlorophenyl)-2,2,2-trifluoroacetamide (CAS 766519-21-5)
- 5-Amino-3-(2-chlorophenyl)isoxazole-4-carboxylic acid (CAS 132066-40-1)
- Ethyl 2-amino-4-chloro-1H-indole-3-carboxylate (CAS 1126602-44-5)
- 2-Amino-3-(4-chloro-1H-indol-3-yl)propanoic acid (CAS 118244-93-2)
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Recommended Standards
- 3-Bromo-2-chloro-6-(methylthio)pyridine (CAS 1809158-14-2)
- 4-Bromo-2-chloro-3-(methylsulfanyl)pyridine (CAS 2386938-99-2)
- 2-Bromo-5-chloro-3-(methylthio)pyridine (CAS 1416713-05-7)
- 5-Bromo-3-chloro-4-methylthiopyridine (CAS 261625-68-7)
- 2-(4-Amino-2-chlorophenoxy)ethan-1-ol (CAS 169286-82-2)
- Methyl 3-(aminomethyl)pyrrolidine-1-carboxylate (CAS 1250557-96-0)
- 1-([1,1'-Biphenyl]-4-yl)-2-aminoethan-1-one (CAS 51127-68-5)
- N-Nitroso-N-Benzyl Anthranilic Acid (CAS 1028-91-7)
- 4-Chlorothieno[3,2-d]pyrimidine-6-carboxamide (CAS 1431411-18-5)
- 4-(3,4-Dichlorobenzylidene)-2-phenyloxazol-5(4H)-one (CAS 1037-02-1)
- [1,2,3]Thiadiazolo[5,4-b]pyridine-6-carboxylic acid (CAS 577771-09-6)
- 4'-Fluorospiro[cyclopropane-1,3'-indoline] (CAS 1823904-39-7)
- 3,3'-Azanediylbis(N-(7-methyl-1,8-naphthyridin-2-yl)propanamide) (CAS 329325-86-2)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
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